Home / 145,001-319,423

Finding the Third Proportional to 145,001 and 319,423

Calculator

Solution

The third proportional to 145,001 and 319,423 is: 703,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,001 : 319,423 = 319,423 : x
  2. Step 2: Convert to fraction form
    145,001/319,423 = 319,423/x
  3. Step 3: Cross multiply
    145,001x = 319,423 × 319,423
  4. Step 4: Simplify right side
    145,001x = 102,031,052,929
  5. Step 5: Solve for x
    x = 102,031,052,929/145,001
  6. Step 6: Final answer
    x = 703,657.58

Related Problems

Find third proportional to 72,500.50 and 159,711.50
Half scale
Find third proportional to 290,002 and 638,846
Double scale
Find third proportional to 145,003 and 319,427
Similar ratio
Find third proportional to 217,501.50 and 479,134.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.